<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>01</title>
</head>
<body>
<div>
  <!--v-model="变量"  双向绑定，让控件的值和变量进行绑定
  变量值改变控件的跟着改变，控件的值改变变量也会跟着变，互相影响所以称为双向绑定-->
  <input type="text" v-model="info">
  <h1>{{info}}</h1>
    <hr>
    <input type="text" v-model="user.username" placeholder="请输入用户名">
    <input type="password" v-model="user.password" placeholder="请输入密码">
</div>

<script src="../day05/js/vue.min.js"></script>
<script>
  let v = new Vue({
    el:"body>div",
    data:{
      info:"双向绑定测试",
        user:{
          username:"",
            password:""
        }
    }
  })
</script>
</body>
</html>